Display with two-digit, amber digital display. Time setting about Step-up / tap dance down keys. Time expiry backward to zero, then back settlement for the source time (can be repeated for standard exposures arbitrarily often). Interruption and new start of the rest term as well as interruption with direct back settlement for the opposed source time possibly. Long-term light key. Matt black case of impact resistant plastic. The service occurs more than four big, in the darkness well too erfühlende push buttons. Time area: 0.1 - 99 seconds Announcement: 0.1 - 9.9 seconds in tenth seconds, 10-99 seconds in second steps Switch achievement: max. 500 W of mass: approx. 100 x 75 x 152 mm of inlet: approx. 2 m